A gentle introduction to covariance and correlation
In this tutorial we will look at two measures of relationship between two numeric variables: the covariance and coefficient of correlation.
Statistics and Probability
How to calculate and visualise the distribution of Numeric Variable?
More commonly used dispersion measures in statistics are variance and standard deviation. These measures give summary statistics, hence does not tell much about the overall data. A five number summary is elaborate measure to check the overall data and its spread.
A gentle introduction to descriptive statistics – examining univariate distributions
Descriptive statistics is used to describe the data. A first step in this process is to check the distribution of values of each numeric variable. In this tutorial, various tools for describing the variable such as distributions, tabulations and graphical representation are discussed.
What is Statistics and why it is important for data analysis?
In this post you will discover why statistics is important in general and for data science in particular, and types of methods that are available.